20104048

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29221}}^1$

素因数の和:29272

約数の個数: 20

約数和(自身を含む): 39858808

約数和(自身を除く): 19754760

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29221, 58442, 116884, 233768, 467536, 1256503, 2513006, 5026012, 10052024, 20104048]

約数ペア:

[(1, 20104048), (2, 10052024), (4, 5026012), (8, 2513006), (16, 1256503), (43, 467536), (86, 233768), (172, 116884), (344, 58442), (688, 29221)]